dirtrider Posted November 13, 2005 Report Share Posted November 13, 2005 Which spark plug is best for my Seeley, which has the 250 Kondo conversion? NGK D6ES or D5ES is recommended for the 200 Seeley. D7ES is recommended for the 250TLR. The bike starts easily but then sometimes cuts out when hot and it is then difficult to start.Someone told me that he had the same problem with his 250TLR and he fitted a different plug and that cured it. At the moment I am trying a D6ES. Am I right in thinking that this is a softer plug than the D7ES? Any advice appreciated. Quote Link to comment Share on other sites More sharing options...
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